Annual report pursuant to Section 13 and 15(d)

Income Taxes (Net Deferred Tax Assets and Liabilities) (Details)

v3.21.1
Income Taxes (Net Deferred Tax Assets and Liabilities) (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Deferred tax assets (liabilities):    
Net operating loss carryforwards $ 14,881,000 $ 14,136,000
Stock based compensation 4,094,000 3,877,000
Accrued compensation 19,000 34,000
Depreciation and amortization 3,867,000 4,241,000
Other   5,000
Total deferred tax assets 22,861,000 22,293,000
Valuation allowance for net deferred tax assets (22,861,000) (22,293,000)
Total $ 0 $ 0